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自农村普遍实行生产责任制以来,化学肥料越来越受欢迎,但有些农民缺乏科学施肥知识,往往收不到应有的施肥效果,甚至适得其反。这里介绍的化肥转盘提供了化肥的应用知识,使用方便,一看就懂,而且便于携带,是科学种田的好工具。化肥转盘共标明了40种化肥的分子式、养分含量、主要理化性质、适应性与施肥方法,以及哪些肥料可以混合,哪些肥料不能混合;注明了12种营养元素对植物生长发育的作用,作物缺乏某种元素后的症状;介绍了常用化肥利用率;农家肥氮磷钾的含量;主要
Since the implementation of the production responsibility system in rural areas, chemical fertilizers have become more and more popular. However, some farmers lack knowledge of scientific fertilization and often do not receive proper fertilization effects or even counterproductive. The fertilizer wheel introduced here provides the application of chemical fertilizers, easy to use, a look to understand, and easy to carry, is a good tool for farming science. Fertilizer turntable is a total of 40 kinds of chemical fertilizers molecular formula, nutrient content, the main physical and chemical properties, adaptability and fertilization methods, and which fertilizers can be mixed, which fertilizers can not be mixed; Note 12 kinds of nutrients on plant growth and development of crops, crops Lack of symptoms after a certain element; Introduced commonly used chemical fertilizer utilization; Farmers fertilizer N, P and K content; Main